A New Read Method By Using Dibl Characteristics In Nitride Storage Device

L P Chiang,P A Chen,C H Hung, C P Tsao,H H Liao,C H Lin

2006 INTERNATIONAL SYMPOSIUM ON VLSI TECHNOLOGY, SYSTEMS, AND APPLICATIONS (VLSI-TSA), PROCEEDINGS OF TECHNICAL PAPERS(2006)

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摘要
A new read operation scheme by using the differential of the threshold voltage (or current) is proposed in nitride storage memory devices. By utilizing the DIBL characteristics between program state and erase state, the principle and application of this cell read operation either in single bit or in two bits is demonstrated. Finally, the application for multi-level operation is proposed.
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关键词
nonvolatile memory,threshold voltage,degradation,hot carriers,manufacturing,tellurium
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